Terry Shiavo Autotopsy Released

Well, I'll just quote what the medical examiner said and post a link to the article

"She was incapable of surviving without her feeding tube, Mr Throgmartin said, adding that she was blind and incapable of thinking, feeling or interacting with her environment.

'This damage was irreversible, and no amount of therapy or treatment would have regenerated the massive loss of neurons,' he said."

BBC News